Compact Disc Player (CD): Testing and Inspection

ERROR MESSAGES
The digital audio compact disc player has heat protection circuitry to protect the laser diode. It the temperature of the player reaches 75°C (167°F), the heat detection circuit will shut off the player and "H" will appear in the display. When the temperature is within normal operating range the "H" indicator will turn off automatically and the digital audio compact disc player will again be operational.

For additional testing information refer to Radio, Stereo, and Compact Disc/Testing and Inspection. Testing and Inspection